2017年2月8日

嵌入式学习——C语言学习：链表！！！

#include

#include


struct node
{
    int num;


    struct node *next;
};


typedef struct node Node;
typedef struct node * Link;


void create_link(Link *head)
{
*head = NULL;
}


void insert_node_head(Link * head,Link new_node)
{
new_node->next = *head;
*head = new_node;
}


void display_link(Link head)
{
Link p;


p = head;


while(p != NULL)
{
printf("num = %d\n",p->num);
p = p->next;
}
}


int main()
{
Link head = NULL;


create_link(&head);


Link new_node = NULL;


int i = 0;


for(i = 0; i < 10;i++)
{
new_node = (Link)malloc(sizeof(Node));


if(new_node == NULL)
{
printf("malloc error!\n");
exit(-1);
}
new_node->num = i + 1;


insert_node_head(&head,new_node);
}


display_link(head);


    return 0;
}